import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { setToken, getToken } from '@/utils/auth'

// create an axios instance
const service = axios.create({
  // 基地址
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})

// request interceptor 请求拦截器
service.interceptors.request.use(
  config => {
    // do something before request is sent
    // 在这个位置需要统一的取注入token
    // 把token 存入请求头 [vuex cookie 都可以获取 他两是同步的]
    // 在本地获取
    const token = getToken(token)
    if(token) {
      config.headers['Authorization'] =  `Bearer ${token}`
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor响应拦截器
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const {data, status, statusText} = response
    // console.log(response);

    if(status === 200){
      return data
    }else {
      // 错误提示用户
      Message({
            message: error.message || 'Error',
            type: 'error',
            duration: 5 * 1000
          })
    }
    // if the custom code is not 20000, it is judged as an error.
    // if (res.code !== 200) {
    //   Message({
    //     message: res.message || 'Error',
    //     type: 'error',
    //     duration: 5 * 1000
    //   })

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
    //   if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
    //     // to re-login
    //     MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
    //       confirmButtonText: 'Re-Login',
    //       cancelButtonText: 'Cancel',
    //       type: 'warning'
    //     }).then(() => {
    //       store.dispatch('user/resetToken').then(() => {
    //         location.reload()
    //       })
    //     })
    //   }
    //   return Promise.reject(new Error(res.message || 'Error'))
    // } else {
    //   return res
    // }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
